alexa Menstrual cycle alterations during adolescence: early expression of metabolic syndrome and polycystic ovary syndrome.
Medicine

Medicine

Family Medicine & Medical Science Research

Author(s): Bouzas IC, Cader SA, Leo L, Kuschnir MC, Braga C

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Abstract STUDY OBJECTIVE: To assess the importance of the menstrual pattern as a marker for clinical and laboratory alterations related to metabolic syndrome (MS) and polycystic ovary syndrome (PCOS) among Brazilian adolescents. DESIGN: A cross-sectional study. SETTING: Endocrine Gynecology Outpatient Clinic of the Adolescent Health Studies Center (NESA) at the Pedro Ernesto University Hospital. PARTICIPANTS: 59 girls (12-19 years old) were classified by their menstrual cycles as regular (n = 23) and irregular (n = 36). INTERVENTION: None. MAIN OUTCOME MEASURES: Biochemical collections were made of peripheral blood after fasting for 12 hours, and the oral glucose tolerance test with 75 g of anhydrous glucose. RESULTS: PCOS, MS, and the criteria for MS were significantly more frequent (P < .05) in the subgroup with irregular menstruation. Adolescents with irregular cycles presented a significant increase in waist circumference, glycemia 2 hours after oral glucose overload (2 h), fasting and 2-h insulin, HOMA-IR, and triglycerides. In contrast, the glucose/insulin ratio, quantitative insulin-sensitivity check index, and HDL serum levels were significantly lower among patients with irregular menstruation, compared to those with regular cycles. In the logistic regression, we noted that insulin 2 h ≥ 75 μIU/mL (r = 1.90; P = .018), waist circumference > 95 cm (r = 2.21; P = .006) and diagnosis of PCOS (r = 1.93; P = .023) were significantly correlated to irregular cycles. CONCLUSIONS: We concluded that close observation of menstrual cycle patterns is an important tool for identifying adolescents at higher risk of developing PCOS and MS. Copyright © 2014 North American Society for Pediatric and Adolescent Gynecology. Published by Elsevier Inc. All rights reserved. This article was published in J Pediatr Adolesc Gynecol and referenced in Family Medicine & Medical Science Research

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